vhost and php config for clean URLs for mediawiki in a subfolder

mediawiki-subfolder-cleanurls

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^wiki/(.*)$ /subfolder/w/index.php?title=$1 [L,QSA]
RewriteRule ^$/subfolder/wiki/  [L,QSA]

<?php

$wgScriptPath       = "/subfolder/w";
$wgScriptExtension  = ".php";
$wgArticlePath      = "/subfolder/wiki/$1";